Geely CK Series 2007 Workshop Manual page 301

III. HCU Replacement
1. Depress the retaining clip on the union joint side
and remove the cylinder motor wire harness.
2. Remove the 4 screws as shown in the figure, the
removed old screw can not be reused.
3. Separate the HCU from the ECU.
4. Install the new HCU to the ECU.
5. Use new screw to attach the ECU to the HCU,
tighten the torque: 3+1Nm.
6. Connect the motor wire harness, be careful that
the retaining clip shall be in place.
IV. ECU Replacement
1. Depress the retaining clip on the union joint side and remove the
wire harness.
2. Remove the 4 screws as shown in the figure and discard them
3. Remove the HCU from the ECU.
4. Install the new ECU to the HCU.
5. Use the new screw to attach the ECU to the HCU, tighten the
torque3+1Nm.
6. Connect the motor wire harness, be careful that the retaining clip
shall be in place.
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